42429356 has 24 divisors (see below), whose sum is σ = 78650880. Its totient is φ = 19971792.

The previous prime is 42429323. The next prime is 42429367. The reversal of 42429356 is 65392424.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11021 + ... + 14363.

It is an arithmetic number, because the mean of its divisors is an integer number (3277120).

Almost surely, 2^42429356 is an apocalyptic number.

It is an amenable number.

42429356 is a deficient number, since it is larger than the sum of its proper divisors (36221524).

42429356 is a wasteful number, since it uses less digits than its factorization.

42429356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3533 (or 3531 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 42429356 is about 6513.7820043351. The cubic root of 42429356 is about 348.7831374413.

The spelling of 42429356 in words is "forty-two million, four hundred twenty-nine thousand, three hundred fifty-six".